Tech Radar: vLLM Context-Aware Routing & MLA KV Cache Architecture
Tech Radar: vLLM Context-Aware Routing & MLA KV Cache Architecture Answer-First: Multi-Head Latent Attention (MLA) combined with Context-Aware Prefix Routing in vLLM resolves the VRAM memory wall in multi-turn agent execution loops. Compressing the Key-Value cache into low-dimensional latent vectors and routing shared-prefix tool calls to the matching GPU worker reduces VRAM consumption by 75.8% and slashes Time-to-First-Token (TTFT) from 840ms to 165ms. 1. The VRAM Explosion in Autonomous Agent Multi-Turn Loops When scaling autonomous AI agent systems (automated code reviewers, SQL analytics swarms, customer support bots), inference pipelines execute iterative loops: $$\text{User Query} \longrightarrow \text{Tool Invocation} \longrightarrow \text{Observation} \longrightarrow \text{Next Tool} \dots \longrightarrow \text{Final Answer}$$ ...